Product Name: Yohimbine Extract Place of Origin: Nigeria Part of Used: Bark Appearance: White Fine Powder Active Ingredient: Yohimbine 8%, Yohimbin HCL 98% Extraction Type: Solvent Extraction Introduction: Yohimbe Extract has been one of the most popular supplements for men and women, Research shows it is a vasodilator, which means that it increase blood flow to the extremities and appendages.